DLPU041G April 2016 – July 2024 DLPC230-Q1 , DLPC230S-Q1
This command is used to read the TIA1 offset values from a requested source, and to read back the selected source of offsets that the main application is using for calculations.
The host requests the source from which to read the TIA1 offsets. This means that the TIA1 offsets that are returned by this command may not be the offsets that are currently in use by the main application. In order to read the offsets that are currently in use, ensure that the requested source matches the currently selected source.
Command Parameters
BYTE | BITS | DESCRIPTION |
---|---|---|
1 | 7:2 | Reserved |
1:0 | Requested TIA1 Offset Source 0x0: Read TIA1 offsets from calibration data 0x1: Read TIA1 offsets calculated during main application initialization 0x2: Read TIA1 offsets that were provided by this command |
Return Parameters
BYTE | BITS | DESCRIPTION |
---|---|---|
1 | 7:2 | Reserved |
1:0 | Selected TIA1 Offset Source 0x0: Use TIA1 offsets from calibration data 0x1: Use TIA1 offsets calculated during main application initialization 0x2: Use TIA1 offsets that are provided by this command | |
3:2 | 15:13 | Requested TIA1 Stage 1 Offset Integer Two's complement integer portion of offset in millivolts. |
12:0 | Requested TIA1 Stage 1 Offset Fraction Fractional portion of offset in millivolts. This is always added to the integer portion as part of the two's complement value. 1 = 1 / 8192 2 = 2 / 8192 | |
5:4 | 15:13 | Requested TIA1 Stage 2 Offset Integer Two's complement integer portion of offset in millivolts. |
12:0 | Requested TIA1 Stage 2 Offset Fraction Fractional portion of offset in millivolts. This is always added to the integer portion as part of the two's complement value. 1 = 1 / 8192 2 = 2 / 8192 |